The PDF viewer showcase is a sample Windows Store app, complete with source code and accompanying documentation, that demonstrates how to use the Windows Runtime APIs to work with PDF files programmatically in Windows 8.1. This video provides a brief walkthrough of the sample app's features. To…

The doto app is a sample Windows Store app, with complete source code, that shows how to use Windows Azure Mobile Services to manage lists of information and make them available to any device, anywhere. This video highlights some of the key functions of doto along with some interesting developer…

Windows 8.1 introduces a new enumeration so you can let users know they need to calibrate the sensors in their device. This video demonstrates how to prompt users to calibrate a device using the new MagnetometerAccuracy enumeration and also shows the proper technique for rotating the device through…

App icons in iOS apps are similar to tiles and badges in Windows Store apps. But tiles can do more than just show numbers—they can come alive with information that users care about. See how tiles and badges work and learn how to implement them in your Windows Store app. For more resources to help…

Grid views are similar in iOS apps and Windows Store apps. See how grid views work and learn how to implement them in your Windows Store app. For more resources to help iOS developers get started building Windows Store apps, go to http://aka.ms/iOStoWindows.

Use Background Transfer to complete large file downloads and uploads that continue even while your app is in the background. To learn more, see Transferring data in the background on the Windows Dev Center and download the Background Transfer sample.

Semantic Zoom is a touch-optimized technique used by Windows Store apps for presenting and navigating large sets of related data or content within a single view (such as a photo album, app list, or address book). This video shows examples of apps that use Semantic Zoom and provides an overview of…

Semantic Zoom is a touch-optimized technique used by Windows Store apps for presenting and navigating large sets of related data or content within a single view (such as a photo album, app list, or address book). This video shows examples of apps that use Semantic Zoom and provides an overview of…